Alright, let's work through 2112 times 8991 step by step
2112 × 8991 = 8991 × (2112)
+ 8991 × 2 which equals 17982
+ 8991 × 10 what gives us 89910
+ 8991 × 100 that results in 899100
+ 8991 × 2000 resulting in 17982000

= 18988992
